JavaScript: NaN

Some operations with infinity, for example, dividing infinity by infinity, return a weird result. In math, this operation has no numerical equivalent. In JavaScript, you'll get NaN.

Infinity / Infinity; // NaN

NaN is a special value, "not a number", that usually indicates execution of a meaningless operation. Any operation with NaN returns NaN.

NaN + 1; // NaN

NaN is a peculiar value. Although it means "not a number", it belongs to the number data type. What a paradox. NaN is never a value you want to see, it appears only as a result of errors. If you come across it, find the point where the operation that wasn't valid for numbers was performed, and correct the piece of code.

Instructions

Execute the operation that returns NaN and print it using console.log().

Tips

• NaN